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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 09:24:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 09:24:41 -0700
commitdc47d3810cdcb4f32bfa31d50f26af97aced0638 (patch)
treef1574adeaae857d935ad9c2e08a19727e54ef14a /crypto
parentf6d90b4f9ce018bff429d6e01ee672de712b8641 (diff)
parent5db017aa2809c49ca0a43b0f3ed1267e6be60883 (diff)
Merge git://github.com/herbertx/crypto
* git://github.com/herbertx/crypto: (48 commits) crypto: user - Depend on NET instead of selecting it crypto: user - Add dependency on NET crypto: talitos - handle descriptor not found in error path crypto: user - Initialise match in crypto_alg_match crypto: testmgr - add twofish tests crypto: testmgr - add blowfish test-vectors crypto: Make hifn_795x build depend on !ARCH_DMA_ADDR_T_64BIT crypto: twofish-x86_64-3way - fix ctr blocksize to 1 crypto: blowfish-x86_64 - fix ctr blocksize to 1 crypto: whirlpool - count rounds from 0 crypto: Add userspace report for compress type algorithms crypto: Add userspace report for cipher type algorithms crypto: Add userspace report for rng type algorithms crypto: Add userspace report for pcompress type algorithms crypto: Add userspace report for nivaead type algorithms crypto: Add userspace report for aead type algorithms crypto: Add userspace report for givcipher type algorithms crypto: Add userspace report for ablkcipher type algorithms crypto: Add userspace report for blkcipher type algorithms crypto: Add userspace report for ahash type algorithms ...
Diffstat (limited to 'crypto')
-rw-r--r--crypto/Kconfig63
-rw-r--r--crypto/Makefile4
-rw-r--r--crypto/ablkcipher.c48
-rw-r--r--crypto/aead.c48
-rw-r--r--crypto/ahash.c21
-rw-r--r--crypto/algapi.c12
-rw-r--r--crypto/blkcipher.c25
-rw-r--r--crypto/blowfish_common.c (renamed from crypto/blowfish.c)98
-rw-r--r--crypto/blowfish_generic.c142
-rw-r--r--crypto/cryptd.c2
-rw-r--r--crypto/crypto_user.c438
-rw-r--r--crypto/internal.h3
-rw-r--r--crypto/pcompress.c18
-rw-r--r--crypto/rng.c20
-rw-r--r--crypto/sha1_generic.c9
-rw-r--r--crypto/shash.c21
-rw-r--r--crypto/tcrypt.c10
-rw-r--r--crypto/testmgr.c30
-rw-r--r--crypto/testmgr.h398
-rw-r--r--crypto/wp512.c18
20 files changed, 1313 insertions, 115 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index ae27b7534ea..527a857d10b 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -100,6 +100,14 @@ config CRYPTO_MANAGER2
select CRYPTO_BLKCIPHER2
select CRYPTO_PCOMP2
+config CRYPTO_USER
+ tristate "Userspace cryptographic algorithm configuration"
+ depends on NET
+ select CRYPTO_MANAGER
+ help
+ Userapace configuration for cryptographic instantiations such as
+ cbc(aes).
+
config CRYPTO_MANAGER_DISABLE_TESTS
bool "Disable run-time self tests"
default y
@@ -407,6 +415,16 @@ config CRYPTO_SHA1
help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
+config CRYPTO_SHA1_SSSE3
+ tristate "SHA1 digest algorithm (SSSE3/AVX)"
+ depends on X86 && 64BIT
+ select CRYPTO_SHA1
+ select CRYPTO_HASH
+ help
+ SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
+ using Supplemental SSE3 (SSSE3) instructions or Advanced Vector
+ Extensions (AVX), when available.
+
config CRYPTO_SHA256
tristate "SHA224 and SHA256 digest algorithm"
select CRYPTO_HASH
@@ -590,6 +608,7 @@ config CRYPTO_ARC4
config CRYPTO_BLOWFISH
tristate "Blowfish cipher algorithm"
select CRYPTO_ALGAPI
+ select CRYPTO_BLOWFISH_COMMON
help
Blowfish cipher algorithm, by Bruce Schneier.
@@ -600,6 +619,30 @@ config CRYPTO_BLOWFISH
See also:
<http://www.schneier.com/blowfish.html>
+config CRYPTO_BLOWFISH_COMMON
+ tristate
+ help
+ Common parts of the Blowfish cipher algorithm shared by the
+ generic c and the assembler implementations.
+
+ See also:
+ <http://www.schneier.com/blowfish.html>
+
+config CRYPTO_BLOWFISH_X86_64
+ tristate "Blowfish cipher algorithm (x86_64)"
+ depends on (X86 || UML_X86) && 64BIT
+ select CRYPTO_ALGAPI
+ select CRYPTO_BLOWFISH_COMMON
+ help
+ Blowfish cipher algorithm (x86_64), by Bruce Schneier.
+
+ This is a variable key length cipher which can use keys from 32
+ bits to 448 bits in length. It's fast, simple and specifically
+ designed for use on "large microprocessors".
+
+ See also:
+ <http://www.schneier.com/blowfish.html>
+
config CRYPTO_CAMELLIA
tristate "Camellia cipher algorithms"
depends on CRYPTO
@@ -793,6 +836,26 @@ config CRYPTO_TWOFISH_X86_64
See also:
<http://www.schneier.com/twofish.html>
+config CRYPTO_TWOFISH_X86_64_3WAY
+ tristate "Twofish cipher algorithm (x86_64, 3-way parallel)"
+ depends on (X86 || UML_X86) && 64BIT
+ select CRYPTO_ALGAPI
+ select CRYPTO_TWOFISH_COMMON
+ select CRYPTO_TWOFISH_X86_64
+ help
+ Twofish cipher algorithm (x86_64, 3-way parallel).
+
+ Twofish was submitted as an AES (Advanced Encryption Standard)
+ candidate cipher by researchers at CounterPane Systems. It is a
+ 16 round block cipher supporting key sizes of 128, 192, and 256
+ bits.
+
+ This module provides Twofish cipher algorithm that processes three
+ blocks parallel, utilizing resources of out-of-order CPUs better.
+
+ See also:
+ <http://www.schneier.com/twofish.html>
+
comment "Compression"
config CRYPTO_DEFLATE
diff --git a/crypto/Makefile b/crypto/Makefile
index ce5a813d363..9e6eee2c05d 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_CRYPTO_PCOMP2) += pcompress.o
cryptomgr-y := algboss.o testmgr.o
obj-$(CONFIG_CRYPTO_MANAGER2) += cryptomgr.o
+obj-$(CONFIG_CRYPTO_USER) += crypto_user.o
obj-$(CONFIG_CRYPTO_HMAC) += hmac.o
obj-$(CONFIG_CRYPTO_VMAC) += vmac.o
obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o
@@ -60,7 +61,8 @@ obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
obj-$(CONFIG_CRYPTO_DES) += des_generic.o
obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o
-obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish.o
+obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish_generic.o
+obj-$(CONFIG_CRYPTO_BLOWFISH_COMMON) += blowfish_common.o
obj-$(CONFIG_CRYPTO_TWOFISH) += twofish_generic.o
obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += twofish_common.o
obj-$(CONFIG_CRYPTO_SERPENT) += serpent.o
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index fdc67d38660..a816f24f2d5 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -23,6 +23,8 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
#include <crypto/scatterwalk.h>
@@ -381,6 +383,28 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type,
return 0;
}
+static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_blkcipher rblkcipher;
+
+ snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
+ snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+ alg->cra_ablkcipher.geniv ?: "<default>");
+
+ rblkcipher.blocksize = alg->cra_blocksize;
+ rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
+ rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
+ rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+ sizeof(struct crypto_report_blkcipher), &rblkcipher);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
@@ -403,6 +427,7 @@ const struct crypto_type crypto_ablkcipher_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_ablkcipher_show,
#endif
+ .report = crypto_ablkcipher_report,
};
EXPORT_SYMBOL_GPL(crypto_ablkcipher_type);
@@ -432,6 +457,28 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type,
return 0;
}
+static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_blkcipher rblkcipher;
+
+ snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher");
+ snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+ alg->cra_ablkcipher.geniv ?: "<built-in>");
+
+ rblkcipher.blocksize = alg->cra_blocksize;
+ rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
+ rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
+ rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+ sizeof(struct crypto_report_blkcipher), &rblkcipher);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
@@ -454,6 +501,7 @@ const struct crypto_type crypto_givcipher_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_givcipher_show,
#endif
+ .report = crypto_givcipher_report,
};
EXPORT_SYMBOL_GPL(crypto_givcipher_type);
diff --git a/crypto/aead.c b/crypto/aead.c
index 6729e8ff68e..701556ffaae 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -21,6 +21,8 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
#include "internal.h"
@@ -109,6 +111,28 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
return 0;
}
+static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_aead raead;
+ struct aead_alg *aead = &alg->cra_aead;
+
+ snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead");
+ snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+ aead->geniv ?: "<built-in>");
+
+ raead.blocksize = alg->cra_blocksize;
+ raead.maxauthsize = aead->maxauthsize;
+ raead.ivsize = aead->ivsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_AEAD,
+ sizeof(struct crypto_report_aead), &raead);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
@@ -130,6 +154,7 @@ const struct crypto_type crypto_aead_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_aead_show,
#endif
+ .report = crypto_aead_report,
};
EXPORT_SYMBOL_GPL(crypto_aead_type);
@@ -165,6 +190,28 @@ static int crypto_init_nivaead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
return 0;
}
+static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_aead raead;
+ struct aead_alg *aead = &alg->cra_aead;
+
+ snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead");
+ snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv);
+
+ raead.blocksize = alg->cra_blocksize;
+ raead.maxauthsize = aead->maxauthsize;
+ raead.ivsize = aead->ivsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_AEAD,
+ sizeof(struct crypto_report_aead), &raead);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+
static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
@@ -186,6 +233,7 @@ const struct crypto_type crypto_nivaead_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_nivaead_show,
#endif
+ .report = crypto_nivaead_report,
};
EXPORT_SYMBOL_GPL(crypto_nivaead_type);
diff --git a/crypto/ahash.c b/crypto/ahash.c
index f669822a7a4..a3e6ef99394 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -21,6 +21,8 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
#include "internal.h"
@@ -397,6 +399,24 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
return sizeof(struct crypto_shash *);
}
+static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_hash rhash;
+
+ snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
+
+ rhash.blocksize = alg->cra_blocksize;
+ rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
+ sizeof(struct crypto_report_hash), &rhash);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
@@ -415,6 +435,7 @@ const struct crypto_type crypto_ahash_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_ahash_show,
#endif
+ .report = crypto_ahash_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_AHASH_MASK,
.type = CRYPTO_ALG_TYPE_AHASH,
diff --git a/crypto/algapi.c b/crypto/algapi.c
index c3cf1a69a47..54dd4e33b5d 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -22,8 +22,6 @@
#include "internal.h"
-static void crypto_remove_final(struct list_head *list);
-
static LIST_HEAD(crypto_template_list);
void crypto_larval_error(const char *name, u32 type, u32 mask)
@@ -129,9 +127,8 @@ static void crypto_remove_spawn(struct crypto_spawn *spawn,
BUG_ON(!list_empty(&inst->alg.cra_users));
}
-static void crypto_remove_spawns(struct crypto_alg *alg,
- struct list_head *list,
- struct crypto_alg *nalg)
+void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
+ struct crypto_alg *nalg)
{
u32 new_type = (nalg ?: alg)->cra_flags;
struct crypto_spawn *spawn, *n;
@@ -177,6 +174,7 @@ static void crypto_remove_spawns(struct crypto_alg *alg,
crypto_remove_spawn(spawn, list);
}
}
+EXPORT_SYMBOL_GPL(crypto_remove_spawns);
static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
{
@@ -321,7 +319,7 @@ unlock:
}
EXPORT_SYMBOL_GPL(crypto_alg_tested);
-static void crypto_remove_final(struct list_head *list)
+void crypto_remove_final(struct list_head *list)
{
struct crypto_alg *alg;
struct crypto_alg *n;
@@ -331,6 +329,7 @@ static void crypto_remove_final(struct list_head *list)
crypto_alg_put(alg);
}
}
+EXPORT_SYMBOL_GPL(crypto_remove_final);
static void crypto_wait_for_test(struct crypto_larval *larval)
{
@@ -493,6 +492,7 @@ int crypto_register_instance(struct crypto_template *tmpl,
goto err;
inst->alg.cra_module = tmpl->module;
+ inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE;
down_write(&crypto_alg_sem);
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 7a7219266e3..2572d260013 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -24,6 +24,8 @@
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
#include "internal.h"
@@ -492,6 +494,28 @@ static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
return crypto_init_blkcipher_ops_async(tfm);
}
+static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_blkcipher rblkcipher;
+
+ snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher");
+ snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+ alg->cra_blkcipher.geniv ?: "<default>");
+
+ rblkcipher.blocksize = alg->cra_blocksize;
+ rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
+ rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
+ rblkcipher.ivsize = alg->cra_blkcipher.ivsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+ sizeof(struct crypto_report_blkcipher), &rblkcipher);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
@@ -511,6 +535,7 @@ const struct crypto_type crypto_blkcipher_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_blkcipher_show,
#endif
+ .report = crypto_blkcipher_report,
};
EXPORT_SYMBOL_GPL(crypto_blkcipher_type);
diff --git a/crypto/blowfish.c b/crypto/blowfish_common.c
index a67d52ee058..f636aab0209 100644
--- a/crypto/blowfish.c
+++ b/crypto/blowfish_common.c
@@ -1,6 +1,9 @@
/*
* Cryptographic API.
*
+ * Common Blowfish algorithm parts shared between the c and assembler
+ * implementations.
+ *
* Blowfish Cipher Algorithm, by Bruce Schneier.
* http://www.counterpane.com/blowfish.html
*
@@ -22,15 +25,7 @@
#include <asm/byteorder.h>
#include <linux/crypto.h>
#include <linux/types.h>
-
-#define BF_BLOCK_SIZE 8
-#define BF_MIN_KEY_SIZE 4
-#define BF_MAX_KEY_SIZE 56
-
-struct bf_ctx {
- u32 p[18];
- u32 s[1024];
-};
+#include <crypto/blowfish.h>
static const u32 bf_pbox[16 + 2] = {
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
@@ -309,9 +304,9 @@ static const u32 bf_sbox[256 * 4] = {
#define GET32_0(x) (((x) >> (24)) & (0xff))
#define bf_F(x) (((S[GET32_0(x)] + S[256 + GET32_1(x)]) ^ \
- S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
+ S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
-#define ROUND(a, b, n) b ^= P[n]; a ^= bf_F (b)
+#define ROUND(a, b, n) ({ b ^= P[n]; a ^= bf_F(b); })
/*
* The blowfish encipher, processes 64-bit blocks.
@@ -348,57 +343,10 @@ static void encrypt_block(struct bf_ctx *bctx, u32 *dst, u32 *src)
dst[1] = yl;
}
-static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
- const __be32 *in_blk = (const __be32 *)src;
- __be32 *const out_blk = (__be32 *)dst;
- u32 in32[2], out32[2];
-
- in32[0] = be32_to_cpu(in_blk[0]);
- in32[1] = be32_to_cpu(in_blk[1]);
- encrypt_block(crypto_tfm_ctx(tfm), out32, in32);
- out_blk[0] = cpu_to_be32(out32[0]);
- out_blk[1] = cpu_to_be32(out32[1]);
-}
-
-static void bf_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
- struct bf_ctx *ctx = crypto_tfm_ctx(tfm);
- const __be32 *in_blk = (const __be32 *)src;
- __be32 *const out_blk = (__be32 *)dst;
- const u32 *P = ctx->p;
- const u32 *S = ctx->s;
- u32 yl = be32_to_cpu(in_blk[0]);
- u32 yr = be32_to_cpu(in_blk[1]);
-
- ROUND(yr, yl, 17);
- ROUND(yl, yr, 16);
- ROUND(yr, yl, 15);
- ROUND(yl, yr, 14);
- ROUND(yr, yl, 13);
- ROUND(yl, yr, 12);
- ROUND(yr, yl, 11);
- ROUND(yl, yr, 10);
- ROUND(yr, yl, 9);
- ROUND(yl, yr, 8);
- ROUND(yr, yl, 7);
- ROUND(yl, yr, 6);
- ROUND(yr, yl, 5);
- ROUND(yl, yr, 4);
- ROUND(yr, yl, 3);
- ROUND(yl, yr, 2);
-
- yl ^= P[1];
- yr ^= P[0];
-
- out_blk[0] = cpu_to_be32(yr);
- out_blk[1] = cpu_to_be32(yl);
-}
-
/*
* Calculates the blowfish S and P boxes for encryption and decryption.
*/
-static int bf_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
+int blowfish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
{
struct bf_ctx *ctx = crypto_tfm_ctx(tfm);
u32 *P = ctx->p;
@@ -448,35 +396,7 @@ static int bf_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
/* Bruce says not to bother with the weak key check. */
return 0;
}
-
-static struct crypto_alg alg = {
- .cra_name = "blowfish",
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
- .cra_blocksize = BF_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct bf_ctx),
- .cra_alignmask = 3,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(alg.cra_list),
- .cra_u = { .cipher = {
- .cia_min_keysize = BF_MIN_KEY_SIZE,
- .cia_max_keysize = BF_MAX_KEY_SIZE,
- .cia_setkey = bf_setkey,
- .cia_encrypt = bf_encrypt,
- .cia_decrypt = bf_decrypt } }
-};
-
-static int __init blowfish_mod_init(void)
-{
- return crypto_register_alg(&alg);
-}
-
-static void __exit blowfish_mod_fini(void)
-{
- crypto_unregister_alg(&alg);
-}
-
-module_init(blowfish_mod_init);
-module_exit(blowfish_mod_fini);
+EXPORT_SYMBOL_GPL(blowfish_setkey);
MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Blowfish Cipher Algorithm");
+MODULE_DESCRIPTION("Blowfish Cipher common functions");
diff --git a/crypto/blowfish_generic.c b/crypto/blowfish_generic.c
new file mode 100644
index 00000000000..6f269b5cfa3
--- /dev/null
+++ b/crypto/blowfish_generic.c
@@ -0,0 +1,142 @@
+/*
+ * Cryptographic API.
+ *
+ * Blowfish Cipher Algorithm, by Bruce Schneier.
+ * http://www.counterpane.com/blowfish.html
+ *
+ * Adapted from Kerneli implementation.
+ *
+ * Copyright (c) Herbert Valerio Riedel <hvr@hvrlab.org>
+ * Copyright (c) Kyle McMartin <kyle@debian.org>
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <asm/byteorder.h>
+#include <linux/crypto.h>
+#include <linux/types.h>
+#include <crypto/blowfish.h>
+
+/*
+ * Round loop unrolling macros, S is a pointer to a S-Box array
+ * organized in 4 unsigned longs at a row.
+ */
+#define GET32_3(x) (((x) & 0xff))
+#define GET32_2(x) (((x) >> (8)) & (0xff))
+#define GET32_1(x) (((x) >> (16)) & (0xff))
+#define GET32_0(x) (((x) >> (24)) & (0xff))
+
+#define bf_F(x) (((S[GET32_0(x)] + S[256 + GET32_1(x)]) ^ \
+ S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
+
+#define ROUND(a, b, n) ({ b ^= P[n]; a ^= bf_F(b); })
+
+static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ struct bf_ctx *ctx = crypto_tfm_ctx(tfm);
+ const __be32 *in_blk = (const __be32 *)src;
+ __be32 *const out_blk = (__be32 *)dst;
+ const u32 *P = ctx->p;
+ const u32 *S = ctx->s;
+ u32 yl = be32_to_cpu(in_blk[0]);
+ u32 yr = be32_to_cpu(in_blk[1]);
+
+ ROUND(yr, yl, 0);
+ ROUND(yl, yr, 1);
+ ROUND(yr, yl, 2);
+ ROUND(yl, yr, 3);
+ ROUND(yr, yl, 4);
+ ROUND(yl, yr, 5);
+ ROUND(yr, yl, 6);
+ ROUND(yl, yr, 7);
+ ROUND(yr, yl, 8);
+ ROUND(yl, yr, 9);
+ ROUND(yr, yl, 10);
+ ROUND(yl, yr, 11);
+ ROUND(yr, yl, 12);
+ ROUND(yl, yr, 13);
+ ROUND(yr, yl, 14);
+ ROUND(yl, yr, 15);
+
+ yl ^= P[16];
+ yr ^= P[17];
+
+ out_blk[0] = cpu_to_be32(yr);
+ out_blk[1] = cpu_to_be32(yl);
+}
+
+static void bf_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ struct bf_ctx *ctx = crypto_tfm_ctx(tfm);
+ const __be32 *in_blk = (const __be32 *)src;
+ __be32 *const out_blk = (__be32 *)dst;
+ const u32 *P = ctx->p;
+ const u32 *S = ctx->s;
+ u32 yl = be32_to_cpu(in_blk[0]);
+ u32 yr = be32_to_cpu(in_blk[1]);
+
+ ROUND(yr, yl, 17);
+ ROUND(yl, yr, 16);
+ ROUND(yr, yl, 15);
+ ROUND(yl, yr, 14);
+ ROUND(yr, yl, 13);
+ ROUND(yl, yr, 12);
+ ROUND(yr, yl, 11);
+ ROUND(yl, yr, 10);
+ ROUND(yr, yl, 9);
+ ROUND(yl, yr, 8);
+ ROUND(yr, yl, 7);
+ ROUND(yl, yr, 6);
+ ROUND(yr, yl, 5);
+ ROUND(yl, yr, 4);
+ ROUND(yr, yl, 3);
+ ROUND(yl, yr, 2);
+
+ yl ^= P[1];
+ yr ^= P[0];
+
+ out_blk[0] = cpu_to_be32(yr);
+ out_blk[1] = cpu_to_be32(yl);
+}
+
+static struct crypto_alg alg = {
+ .cra_name = "blowfish",
+ .cra_driver_name = "blowfish-generic",
+ .cra_priority = 100,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = BF_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct bf_ctx),
+ .cra_alignmask = 3,
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
+ .cra_u = { .cipher = {
+ .cia_min_keysize = BF_MIN_KEY_SIZE,
+ .cia_max_keysize = BF_MAX_KEY_SIZE,
+ .cia_setkey = blowfish_setkey,
+ .cia_encrypt = bf_encrypt,
+ .cia_decrypt = bf_decrypt } }
+};
+
+static int __init blowfish_mod_init(void)
+{
+ return crypto_register_alg(&alg);
+}
+
+static void __exit blowfish_mod_fini(void)
+{
+ crypto_unregister_alg(&alg);
+}
+
+module_init(blowfish_mod_init);
+module_exit(blowfish_mod_fini);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Blowfish Cipher Algorithm");
+MODULE_ALIAS("blowfish");
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index e46d21ae26b..671d4d6d14d 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -945,7 +945,7 @@ static void __exit cryptd_exit(void)
crypto_unregister_template(&cryptd_tmpl);
}
-module_init(cryptd_init);
+subsys_initcall(cryptd_init);
module_exit(cryptd_exit);
MODULE_LICENSE("GPL");
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
new file mode 100644
index 00000000000..2abca780312
--- /dev/null
+++ b/crypto/crypto_user.c
@@ -0,0 +1,438 @@
+/*
+ * Crypto user configuration API.
+ *
+ * Copyright (C) 2011 secunet Security Networks AG
+ * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/module.h>
+#include <linux/crypto.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
+#include <linux/security.h>
+#include <net/net_namespace.h>
+#include "internal.h"
+
+DEFINE_MUTEX(crypto_cfg_mutex);
+
+/* The crypto netlink socket */
+static struct sock *crypto_nlsk;
+
+struct crypto_dump_info {
+ struct sk_buff *in_skb;
+ struct sk_buff *out_skb;
+ u32 nlmsg_seq;
+ u16 nlmsg_flags;
+};
+
+static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact)
+{
+ struct crypto_alg *q, *alg = NULL;
+
+ down_read(&crypto_alg_sem);
+
+ if (list_empty(&crypto_alg_list))
+ return NULL;
+
+ list_for_each_entry(q, &crypto_alg_list, cra_list) {
+ int match = 0;
+
+ if ((q->cra_flags ^ p->cru_type) & p->cru_mask)
+ continue;
+
+ if (strlen(p->cru_driver_name))
+ match = !strcmp(q->cra_driver_name,
+ p->cru_driver_name);
+ else if (!exact)
+ match = !strcmp(q->cra_name, p->cru_name);
+
+ if (match) {
+ alg = q;
+ break;
+ }
+ }
+
+ up_read(&crypto_alg_sem);
+
+ return alg;
+}
+
+static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_cipher rcipher;
+
+ snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
+
+ rcipher.blocksize = alg->cra_blocksize;
+ rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
+ rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_CIPHER,
+ sizeof(struct crypto_report_cipher), &rcipher);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_comp rcomp;
+
+ snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_COMPRESS,
+ sizeof(struct crypto_report_comp), &rcomp);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+static int crypto_report_one(struct crypto_alg *alg,
+ struct crypto_user_alg *ualg, struct sk_buff *skb)
+{
+ memcpy(&ualg->cru_name, &alg->cra_name, sizeof(ualg->cru_name));
+ memcpy(&ualg->cru_driver_name, &alg->cra_driver_name,
+ sizeof(ualg->cru_driver_name));
+ memcpy(&ualg->cru_module_name, module_name(alg->cra_module),
+ CRYPTO_MAX_ALG_NAME);
+
+ ualg->cru_flags = alg->cra_flags;
+ ualg->cru_refcnt = atomic_read(&alg->cra_refcnt);
+
+ NLA_PUT_U32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority);
+
+ if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
+ struct crypto_report_larval rl;
+
+ snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_LARVAL,
+ sizeof(struct crypto_report_larval), &rl);
+
+ goto out;
+ }
+
+ if (alg->cra_type && alg->cra_type->report) {
+ if (alg->cra_type->report(skb, alg))
+ goto nla_put_failure;
+
+ goto out;
+ }
+
+ switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
+ case CRYPTO_ALG_TYPE_CIPHER:
+ if (crypto_report_cipher(skb, alg))
+ goto nla_put_failure;
+
+ break;
+ case CRYPTO_ALG_TYPE_COMPRESS:
+ if (crypto_report_comp(skb, alg))
+ goto nla_put_failure;
+
+ break;
+ }
+
+out:
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+static int crypto_report_alg(struct crypto_alg *alg,
+ struct crypto_dump_info *info)
+{
+ struct sk_buff *in_skb = info->in_skb;
+ struct sk_buff *skb = info->out_skb;
+ struct nlmsghdr *nlh;
+ struct crypto_user_alg *ualg;
+ int err = 0;
+
+ nlh = nlmsg_put(skb, NETLINK_CB(in_skb).pid, info->nlmsg_seq,
+ CRYPTO_MSG_GETALG, sizeof(*ualg), info->nlmsg_flags);
+ if (!nlh) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
+ ualg = nlmsg_data(nlh);
+
+ err = crypto_report_one(alg, ualg, skb);
+ if (err) {
+ nlmsg_cancel(skb, nlh);
+ goto out;
+ }
+
+ nlmsg_end(skb, nlh);
+
+out:
+ return err;
+}
+
+static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh,
+ struct nlattr **attrs)
+{
+ struct crypto_user_alg *p = nlmsg_data(in_nlh);
+ struct crypto_alg *alg;
+ struct sk_buff *skb;
+ struct crypto_dump_info info;
+ int err;
+
+ if (!p->cru_driver_name)
+ return -EINVAL;
+
+ alg = crypto_alg_match(p, 1);
+ if (!alg)
+ return -ENOENT;
+
+ skb = nlms